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Function defined by f:R—R,f(x)=x^3 is:

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Function defined by f:R—R,f(x)=x^3 is:

Posted by Raj Kaur Rajpoot 1 year, 5 months ago

CBSE > Class 12 > Mathematics

1 answers

Parveen Kumar 1 year, 4 months ago

One one onto Let X1,X2 €R s.t. F(X1)=f(X2) X1^3=X2^3 X1=X2 Hence f is one one Let x^3=y x=y^1/3 For each value of y there exist x € R Hence function is onto.

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